| Patents for G01C 9 - Measuring inclination, e.g. by clinometers, by levels (8,378) |
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| 06/06/2000 | US6073084 Process and device for verifying the consistency of the measurements from an angle-of-attack probe |
| 06/06/2000 | US6070336 Framing tool |
| 06/02/2000 | WO2000031502A1 Slope detector |
| 06/02/2000 | WO2000031501A1 Device for determining the verticals in a system which is exposed to primarily vertical accelerations and electronic spectacles equipped with this device |
| 05/31/2000 | EP1004003A1 Shock protection for position-measuring probes |
| 05/31/2000 | CN2380901Y Combined laser leveling-rod |
| 05/31/2000 | CN2380900Y 水平指示器 Level indicator |
| 05/24/2000 | CN2379781Y Instrument for measuring angle and level by using liquid |
| 05/24/2000 | CN2379780Y Light wt. shock-proof instrument for measuring inclination |
| 05/24/2000 | CN2379779Y Laser three-D location ruler |
| 05/23/2000 | US6066955 Orientation sensor especially suitable for use in an underground boring device |
| 05/18/2000 | WO2000027487A1 Golf putting scope and method of using same |
| 05/17/2000 | CN2378718Y Instrument for measuring inclination and leveling |
| 05/09/2000 | US6058760 Apparatus and method for sensing angular displacement |
| 05/09/2000 | US6058617 Audio visual combination extension level |
| 05/04/2000 | WO2000025336A1 Roll-over sensor with pendulum mounted magnet |
| 05/04/2000 | DE19903774C1 Level for use in the correct alignment of starting tiles when floor or wall tiles are to be laid has an arrangement of vertical/horizontal arms with horizontal/vertical sliders that can move along measurement scales |
| 05/04/2000 | DE19850066A1 Micromechanical level sensor with rotated body derives inclination angle of sensor axis with respect to vertical from deflection of accelerometer subjected to centrifugal, gravitational and spring forces |
| 05/03/2000 | CN2376617Y Multi-function gradiometer |
| 05/02/2000 | US6057916 Automatic inclination corrector and inclination sensor using an automatic inclination corrector |
| 05/02/2000 | US6057687 Two mode boring tool guiding system and method |
| 04/26/2000 | CN2375949Y Multi-functional measuring rotary desk for plumb-bob line and horizontal line |
| 04/20/2000 | DE19838465C1 Horizontal line or surface indication device uses acceleration sensor for detecting gravitational axis for controlling setting devices to provide exact perpendicularity |
| 04/19/2000 | CN2374870Y Camera with level gauge |
| 04/13/2000 | DE19846963A1 Intelligent chalk line with multifunctions; has spirit level and length display |
| 04/11/2000 | US6047478 Telescoping level apparatus and method |
| 04/06/2000 | DE19843335A1 Optical method of angle measurement; involves detecting intensity of light passing through bubble in fluid-filled tube |
| 04/05/2000 | EP0990115A1 Remotely positionable gravity oriented laser scanner |
| 04/05/2000 | CN1249385A Laser plumb device,and apparatus and method for correction of plumbline of long member |
| 03/29/2000 | CN2371542Y Omnibearing block meter |
| 03/28/2000 | US6041510 Extension level, square and length gauge |
| 03/22/2000 | EP0987520A1 Procedure for manufacturing a spirit level |
| 03/16/2000 | DE19841282A1 Spirit level; has base body with rotatable adjustable bubble level and fixed alignment bubble level, whose middle level is parallel to rotation axis of adjustable bubble level |
| 03/15/2000 | CN1247305A Oblique sensor |
| 03/14/2000 | US6037874 Electronic level with laser inclination indicator |
| 03/09/2000 | CA2282002A1 Angle spirit level device |
| 03/08/2000 | CN2368034Y Vertical positioning device for precision leveling rod |
| 03/08/2000 | CN2368006Y Level indicator |
| 03/07/2000 | US6032378 Hand tool for hanging pictures |
| 03/07/2000 | US6032376 Pendulum line level |
| 03/07/2000 | US6032375 Inclination sensor |
| 03/02/2000 | WO2000011434A1 Apparatus and method for sensing angular displacement |
| 03/02/2000 | WO1999063305A3 Electronic spirit level for measurement of inclination |
| 03/02/2000 | DE19849554C1 Method to determine absolute position with displacement and angle transducers; involves using two mechanically coupled sensors with output signals with numbers of periods different by one |
| 03/01/2000 | EP0982567A1 Bubble level |
| 03/01/2000 | CN2366825Y Laser level indicating instrument |
| 03/01/2000 | CN2366824Y Laser level scale |
| 02/29/2000 | US6029360 Multi-angle pocket level |
| 02/29/2000 | US6029359 Post, pipe, and sign level |
| 02/24/2000 | WO2000009346A1 Multi-purpose, multi-functional tool |
| 02/24/2000 | DE19850485C1 Multi-axis inclinometer for measuring inclinations and inclination alterations; has cuvette containing liquid to form datum line with transparent base, unit to illuminate pattern of lines on each of two graticules and imaging optic |
| 02/22/2000 | US6026581 Pocket level with optional magnet |
| 02/16/2000 | CN2364430Y Vertical leveler |
| 02/16/2000 | CN1244654A Quasi-accrate detection approach for measurement coarse error |
| 02/09/2000 | EP0978027A1 Rotationally actuated position sensor |
| 02/02/2000 | CN2362100Y Level measuring instrument |
| 01/25/2000 | US6018130 Roll-over sensor with pendulum mounted magnet |
| 01/20/2000 | WO2000003199A1 Spirit level with angle indicator |
| 01/20/2000 | DE19833753A1 Spirit level with extra attached bar to enable the spirit level to be used as an angle measurement level |
| 01/19/2000 | CN1242075A Spirit level |
| 01/13/2000 | WO2000002012A1 Device for checking and calibrating high precision inclinometric sensors |
| 01/12/2000 | EP0971206A1 Spirit level |
| 01/11/2000 | CA2170804C Forklift level indicator |
| 01/04/2000 | US6011254 Photoelectric tilt-detecting sensor and method of fabricating the same |
| 12/30/1999 | DE19914726A1 Road inclination sensor arrangement for motor vehicles |
| 12/28/1999 | US6008651 Orientation sensor arrangement and method for use in a system for monitoring the orientation of an underground boring tool |
| 12/23/1999 | WO1999066287A1 Shock protection for position-measuring probes |
| 12/23/1999 | DE19826615A1 Stoßschutz für Lagemess-Sonden Surge protection for position measuring probes |
| 12/21/1999 | US6003234 Receptacle level |
| 12/15/1999 | EP0964222A1 Tilt angle sensor |
| 12/15/1999 | CN2354108Y Slope-measuring instrument |
| 12/14/1999 | US6002258 Method for locating a boring tool |
| 12/09/1999 | WO1999063305A2 Electronic spirit level for measurement of inclination |
| 12/08/1999 | EP0961916A1 Post, pipe and sign level |
| 12/08/1999 | EP0961749A1 Stair lift |
| 12/07/1999 | US5996238 Right hand level holder |
| 12/01/1999 | EP0961102A1 Inclination sensor |
| 11/30/1999 | US5992716 Tool securement device |
| 11/30/1999 | US5992033 Shock absorbing, easily calibrated vial system for a carpenter's level |
| 11/30/1999 | US5992032 Method and apparatus for inclination measurement using piezoelectric effect |
| 11/25/1999 | WO1999060592A1 Roll-over shunt sensor |
| 11/25/1999 | WO1999060333A1 Device for measuring a tilt angle, and an antenna means including a tilt angle measuring device |
| 11/25/1999 | CA2331011A1 Roll-over shunt sensor |
| 11/24/1999 | CN2350726Y Spheric ring grating moire orientation inclinometer |
| 11/24/1999 | CN2350725Y Laser straight measurer |
| 11/23/1999 | US5990683 Method and arrangement for locating a boring tool using a three-antennae vector sum |
| 11/23/1999 | US5990682 Method for determining the depth of an in-ground boring tool |
| 11/17/1999 | EP0957340A2 Method for detecting transversely inclined curves |
| 11/17/1999 | EP0957339A2 Method and device for measuring the inclination angle in transversely inclined curves |
| 11/11/1999 | WO1999057695A1 Tilt compensation apparatus and method for use with a monopod mounted laser range finder apparatus |
| 11/11/1999 | WO1999057514A1 Leveling device |
| 11/11/1999 | WO1999057513A1 Optical clinometer |
| 11/11/1999 | CA2330831A1 Tilt compensation apparatus and method for use with a monopod mounted laser range finder apparatus |
| 11/03/1999 | CN2347139Y Laser level-meter |
| 11/02/1999 | US5978076 Reference light generator |
| 10/28/1999 | WO1999054166A1 Capacitive sensor assembly with soot build-up inhibiting coating |
| 10/27/1999 | CN2345953Y Laser angle labelling apparatus |
| 10/27/1999 | CN2345952Y Improved of laser protractor |
| 10/27/1999 | CN2345951Y Adjustable multifunction combined gradient rule |
| 10/26/1999 | US5973313 Method and apparatus for generating ratiometric control signals |